A pair of eastern bluebirds. Source: Claudine Lamothe, via Flickr. Distributed under a CC BY-NC 2.0 license. Birdsong is often thought of as a male trait, but new research is changing that idea.
Q: I have a bluebird house with babies in it on the fence in my yard. I put mealworms in a feeder near the bluebird house for the bluebirds. The male and female bluebirds dive bomb the blue jays and ...
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